A. Why is it important to check for a pulse when there are premature beats in the rhythm?
B. Premature atrial complexes
a. are typically preceded by an inverted P9 wave.
b. are always followed by a compensatory pause.
c. have a wide and bizarre QRS complex.
d. may have normal P9R intervals.
C. Describe the effect that a PAC has on the regularity of the underlying
rhythm.
D. In wandering atrial pacemaker, the pacemaker site shifts between the SA node, atria, and/or
a. Purkinje fibers.
b. ventricles.
c. AV junction.
d. bundle of His.
